140185005 has 8 divisors (see below), whose sum is σ = 224296032. Its totient is φ = 74765328.

The previous prime is 140184959. The next prime is 140185033. The reversal of 140185005 is 500581041.

140185005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140185005 - 2⁹ = 140184493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672819 + ... + 4672848.

It is an arithmetic number, because the mean of its divisors is an integer number (28037004).

Almost surely, 2^140185005 is an apocalyptic number.

140185005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140185005 is a deficient number, since it is larger than the sum of its proper divisors (84111027).

140185005 is an equidigital number, since it uses as much as digits as its factorization.

140185005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345675.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 140185005 is about 11839.9748732841. The cubic root of 140185005 is about 519.4780326928.

The spelling of 140185005 in words is "one hundred forty million, one hundred eighty-five thousand, five".